Consider the following variations in Drosophila melanogaster, relative to the wild-type: White eyes are a recessive trait—the gene of which is found in Chromosome I (X). Vestigial wings are a recessive trait—the gene of which is found in Chromosome II. Aristapedia is a dominant trait—the gene of which is found in Chromosome III. Being homozygous for this condition is lethal.  Cross the following mutant females with a wild-type (homozygous) male. Show the Punnett square and obtain the genotypic and phenotypic ratios of the first filial generation (F1). Female with white eyes Q4: Show the Punnett squares and obtain the genotypic and phenotypic ratios of the first filial generation (F1) and second filial generation (F2) of the following crosses. Note: The F2 generation can be obtained by crossing one male and one female from the F1 generation. Female with white eyes and vestigial wings and wild-type male

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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Consider the following variations in Drosophila melanogaster, relative to the wild-type:

  • White eyes are a recessive trait—the gene of which is found in Chromosome I (X).
  • Vestigial wings are a recessive trait—the gene of which is found in Chromosome II.
  • Aristapedia is a dominant trait—the gene of which is found in Chromosome III. Being homozygous for this condition is lethal.

 Cross the following mutant females with a wild-type (homozygous) male. Show the Punnett square and obtain the genotypic and phenotypic ratios of the first filial generation (F1).

  • Female with white eyes

Q4: Show the Punnett squares and obtain the genotypic and phenotypic ratios of the first filial generation (F1) and second filial generation (F2) of the following crosses. Note: The F2 generation can be obtained by crossing one male and one female from the F1 generation.

  • Female with white eyes and vestigial wings and wild-type male
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